Abstract
Stimuli-responsive hydrogels have been widely studied for the controlled release of bioactive molecules and therapeutic drugs. These systems offer a promising alternative to enhancing the bioavailability of the drugs and protecting them from unfavorable conditions in the human body. Unlike conventional methods, stimuli-responsive hydrogels respond to one or several stimuli owing to their capacity to change their physical, mechanical, or chemical properties, favoring drug release at the target site. This chapter summarizes the properties of stimuli-responsive hydrogels such as thermoresponsive, pH-responsive, photoresponsive, analyte-responsive hydrogels, ultrasound, and others (e.g., electric-field-responsive, redox-responsive, shear-responsive, and magnetic-responsive) as drug delivery systems. The first section offers an overview of the different release mechanisms for controlling the drug release. The second section describes the polymers most frequently used in the production of stimuli-responsive hydrogels for drug delivery. In the third section, the stimuli-responsive hydrogels are described with applications at the different target sites of the human body.
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Rodríguez-Rodríguez, R., Espinosa-Andrews, H., García-Carvajal, Z.Y. (2022). Stimuli-Responsive Hydrogels in Drug Delivery. In: Jana, S., Jana, S. (eds) Functional Biomaterials. Springer, Singapore. https://doi.org/10.1007/978-981-16-7152-4_3
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